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YD/T 866-1996 Technical conditions for No. 7 signaling monitors 
  Issued on: 1996-08-21   Price(USD): 340.0
YD/T 520-1992 Technical conditions for 564 992 kbit/s error code analyzer 
  Issued on: 1992-01-25   Price(USD): 340.0
YD/T 780-1995 Technical conditions of image input devices 
  Issued on: 1995-12-18   Price(USD): 100.0
YD/T 758-1995 Technical conditions of line signal testers 
  Issued on: 1995-07-02   Price(USD): 340.0
YD/T 715-1994 General technical conditions for 15Hz - 30MHz noise tester 
  Issued on: 1994-03-24   Price(USD): 120.0
YD/T 672-1994 Quality grading criteria of 2/34Mbit/s aggregate number-jump digital multiplex equipment 
  Issued on: 1994-05-18   Price(USD): 150.0
YD/T 680-1994 Quality grading criteria of inverter equipment for communication 
  Issued on: 1994-05-18   Price(USD): 120.0
YD/T 673-1994 Quality grading criteria of third order digital multiplex equipment operating at 34368 kbit/s and using positive justification 
  Issued on: 1994-05-18   Price(USD): 130.0
YD/T 651-1994 Quality grading criteria of PCM voice channel characteristics testers 
  Issued on: 1994-05-21   Price(USD): 130.0
YD/T 674-1994 Quality grading criteria of fourth order digital multiplex equipment operating at 139264 kbit/s and using positive justification 
  Issued on: 1994-05-18   Price(USD): 130.0
YD/T 689-1994 Quality grading criteria of rural and urban local subscriber loop carrier equipment 
  Issued on: 1994-05-18   Price(USD): 150.0
YD/T 671-1994 Quality grading criteria of second order digital multiplex equipment operating at 8448 kbit/s and using positive justification 
  Issued on: 1994-05-18   Price(USD): 130.0
YD/T 338-1989 Requirement for networking of magnetic card telephone sets 
  Issued on: 1989-09-14   Price(USD): 150.0
YD/T 597-1992 Technical conditions of 64kbit/s error code analyzers 
  Issued on: 1992-10-22   Price(USD): 130.0
YD/T 614-1993 Technical conditions of telephone network number inquiry system 
  Issued on: 1993-01-18   Price(USD): 160.0
YD/T 860-1996 Technical conditions of error performance analyzer with or without frame structure 
  Issued on: 1996-08-21   Price(USD): 100.0
YD 524-1992 Technical requirement and test method of XL923 series integrated unit of match coil, choking coil, drainage coil and protector 
  Issued on: 1992-03-12   Price(USD): 150.0
YD/T 626-1993 Technical requirement and test method of Chinese teleprinters 
  Issued on: 1993-04-27   Price(USD): 150.0
YD/T 698-1993 Test method for 60-channel PCM/ADPCM transcoder equipment 
  Issued on: 1994-03-26   Price(USD): 370.0
YD/T 875-1996 Test method of asynchronous terminals access to public packet switching data 
  Issued on: 1996-11-12   Price(USD): 370.0
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